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10 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What kind of fuel resource is coal and crude oil?
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Fossil fuels
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Takes millions of years to form and releases energy from fossils
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How is crude oil separated?
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Fractional distillation
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Tower which separates fractions from boiling points
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Why is crude oil a non renewable source?
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Used up faster than it is made
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Doesn't meet supply and demand
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Where do fractions with high boiling points exit the tower?
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At the bottom
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Needs more energy as the top of the tower is cooler
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Where is the tower the coldest?
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At the top
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At the bottom it is the hottest
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Why can molecules be separated by fractional distillation?
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The tower has enough energy to break the intermolecular forces between them
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Link to forces
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What are forces between molecules called?
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Intermolecular
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Remember bonds
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What is the relationship between molecule size and force?
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The bigger the molecule the stronger the bond between the molecules
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Link to bonds
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Name three uses of crude oil
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Medicine plastics and transport fuel
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What conditions are required for cracking
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High temperatures and a catalyst
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